Palliative Flashcards
What is Cheynes Stoke breathing?
Progressively deeper breathing followed by gradual decrease = results in temporary apnoea Each cycle is 30s- 2 mins Oscillation of ventilation between apnoea + hyperpnoea with crescendo-diminuendo pattern
Non-opioid analgesics
Amitryptiline nocte
Baclofen
Dexamethasone od
Diazepam nocte
Diclofenac tds
Gabapentin mg
Ibuprofen tds
Naproxen bd
Pregabalin bd
Anti-emetic drugs
Cyclizine
Domperidone
Haloperidol nocte
Buscopan (hyoscine butylbromide)
Hyoscine hydrobromide
Levomepromazine
Metoclopramide (pre-meal)
Ondansetron
Laxative drugs + preparation
Co-danthrusate (capsules/ suspension) nocte
Docusate sodium (capsules)
Lactulose (solution)
Movicol (oral powder) 1 sachet bd
Senna (tablets/ syrup) nocte
SE of Levomepromazine in palliative care
Can be sedating + cause hypotension
SE of hyoscine hydrobromide in palliative care
Can be sedating
SE metoclopramide, method of action + caution in what age group?
Can cause EPSEs
Caution in under 20 y/o
D2 antagonist 5HT4 agonist
What time to give steroids?
Best before 2pm
Main receptor sites for domperidone, cyclizine, hyoscine, haloperidol + levomepromazine
domperidone = D2 antagonist
cyclizine = H1 + Ach antagonist
hyoscine = Ach antagonist
haloperidol = d2 antagonist
levomepromazine = D2, H1, Ach + 5HT2 antagonist
Action + indications for dexamethasone
Corticosteroid - agonist to glucocorticoid receptor
Indications: symptom control of anorexia, obstruction due to tumours, bronchospasm, partial obstruction, N+V adjunct, headaches due to raised ICP, pain due to nerve compression, cerebral oedema associated with malignancy
Contraindications + SE of dexamethasone
CI: systemic infection, caution in DM due to raise in blood sugar.
SE: acne, blurred vision, bruising, HTN, weight gain, body hair, muscle weakness, swollen face, water retention
Interactions + consequences of dexamethasone
Amiodarone, 1st gen AP, levopromazine, citalopram, clarithromycin, TCA, venlafaxine = torsades de point
Bleeding risk with NSAIDs
Increased digoxin activity
What are syringe drivers + how long do they last?
Sub cutaneous, usually over 24 hours, give a gradual infusion of meds CSCI - continuous
What are the anticipatory medicines + used for what?
Respiratory secretions = hyoscine butylbromide
Pain = opiates
Terminal agitation = midazolam
N+V = haloperidol, levomepromazine
Bowel colic = hyoscine butylbromide
What is terminal agitation?
Delirium with cognitive impairment
Common at end stage of cancer
S+S: agitation, myoclonic jerks, irritability, hallucinations, confusion
Action + indications of hycoscine butylbromide
Antimuscarinic antagonist - prevents action of Ach
Indications: relief of GI spasm, IBS, excessive resp secretions, bowel colic
Contraindications of hycoscine butylbromide
Tachycardia GI obstruction/ ileus Glaucoma Prostatic enlargement
Myasthenia gravis Pyloric stenosis
Severe ulcerative colitis Significant bladder outflow obstruction toxic megacolon
Urinary retention Acute MI/ arrhythmias
SE of hycoscine butylbromide
Anticholinergic
What is BiPAP used for?
2 pressure settings - prescribed pressure for inhalation + lower pressure for exhalation Used in sleep apnoea 2nd line to CPAP
What is CPAP used for?
Sleep apnoea
Bone pain - S+S + treatment
Features: dull ache over large area or well localised tenderness over bone. Worse on weight bearing
Treat with NSAIDs, RT + bisphosphonates
Visceral pain S+S + treatment
Features = dull, deep seated, poorly localised pain. Can be spasmodic
Treatment = follow analgesic ladder.
Colic pain = give anticholinergic drugs eg hyoscine butylbromide for bowel colic, or oxybutynin for bladder spasm
Headache due to raised ICP - S+S + treatment
Features = dull, oppressive pain, worse on waking, coughing + sneezing
Treatment = corticosteroids to reduce oedema, NSAIDs + paracetamol
Neuropathic pain - S+S + treatment
Features = pain in area of abnormal sensation (numbness, sweating, burning)
Treatment = TCAs + anticonvulsants (gabapentin)
Nerve compression is helped by corticosteroids
What is the analgesic ladder?
Step 1 = paracetamol
Step 2 = weak opioid (Codeine) + paracetamol
Step 3 = strong opioid
NSAIDs at any stage
Other adjuvant drugs: antiepileptics, antidepressants, corticosteroids
Strengths of co-codamol
8mg codeine 15mg codeine 30mg codeine All with 500mg paracetamol
Side effects of strong opioids + how to manage
Constipation = give laxative eg co-danthramer
N+V = settles, provide antiemetic eg haloperidol
Drowsiness = settles in 48 hrs
Confusion/ hallucination = rare
Resp depression = rare
S+S of opioid toxicity
N+V, drowsiness, confusion, visual hallucinations, myoclonic jerks, respiratory depression
Forms of oral morphine
Immediate release = 20-30 mins for effectiveness, lasts 4 hours (oramorph)
Slow release = lasts 12 hours (morphine sulphate tablets)
Starting doses + titration of morphine
MST 20mg bd if been on max strength co-codamol
Titrate up by 30-50%
Management of breakthrough pain
Should have 1/6th of total 24hr morphine dose as PRN = eg oramorph 10mg PRN
Diamorphine injection + dosing
SC as required or in syringe driver 3 times more potent than oral morphine Should be 1/3 of total oral morphine dose
What are transdermal analgesics?
Fentanyl or buprenorphine patches - duration of 72 hours. Suitable for pts with severe chronic pain already stabilised
What is oxycodone used for + what are the preparations?
Similar to morphine, 2nd line - good for renal impairment or if morphine not tolerated
Immediate release = oxynorm
Slow release = oxycontin
What are non-pharmacological treatments for pain?
RT (bone pain), chemo, surgery, anaesthetic interventions eg nerve block, CBT, TENS, aromatherapy etc